EP1227668A4 - METHOD AND CIRCUIT FOR HIGHLIGHTING CONTOURS - Google Patents

METHOD AND CIRCUIT FOR HIGHLIGHTING CONTOURS

Info

Publication number
EP1227668A4
EP1227668A4 EP00970084A EP00970084A EP1227668A4 EP 1227668 A4 EP1227668 A4 EP 1227668A4 EP 00970084 A EP00970084 A EP 00970084A EP 00970084 A EP00970084 A EP 00970084A EP 1227668 A4 EP1227668 A4 EP 1227668A4
Authority
EP
European Patent Office
Prior art keywords
circuit
emphasizing contour
emphasizing
contour
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00970084A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1227668A1 (en
Inventor
Seiji Matsunaga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Fujitsu General Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu General Ltd filed Critical Fujitsu General Ltd
Publication of EP1227668A1 publication Critical patent/EP1227668A1/en
Publication of EP1227668A4 publication Critical patent/EP1227668A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Studio Circuits (AREA)
EP00970084A 1999-10-30 2000-10-25 METHOD AND CIRCUIT FOR HIGHLIGHTING CONTOURS Withdrawn EP1227668A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP34664199 1999-10-30
JP34664199A JP3743235B2 (ja) 1999-10-30 1999-10-30 輪郭強調方法及び回路
PCT/JP2000/007485 WO2001033834A1 (fr) 1999-10-30 2000-10-25 Procede et circuit de mise en evidence de contours

Publications (2)

Publication Number Publication Date
EP1227668A1 EP1227668A1 (en) 2002-07-31
EP1227668A4 true EP1227668A4 (en) 2005-11-30

Family

ID=18384829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00970084A Withdrawn EP1227668A4 (en) 1999-10-30 2000-10-25 METHOD AND CIRCUIT FOR HIGHLIGHTING CONTOURS

Country Status (11)

Country Link
US (1) US6980258B1 (ja)
EP (1) EP1227668A4 (ja)
JP (1) JP3743235B2 (ja)
KR (1) KR100473191B1 (ja)
CN (1) CN1175658C (ja)
AU (1) AU772526B2 (ja)
CA (1) CA2389599C (ja)
HK (1) HK1053562A1 (ja)
RU (1) RU2256297C2 (ja)
TW (1) TW516315B (ja)
WO (1) WO2001033834A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100433875B1 (ko) * 2002-01-31 2004-06-04 엘지전자 주식회사 디스플레이 장치의 샤프니스 보정장치
JP4044826B2 (ja) * 2002-07-25 2008-02-06 富士通株式会社 半導体集積回路
KR100870015B1 (ko) * 2002-08-13 2008-11-21 삼성전자주식회사 디지털 화상 데이터의 윤곽 강조 장치 및 그 방법, 이를이용한 디지털 표시 장치
JP4390506B2 (ja) * 2003-09-02 2009-12-24 三洋電機株式会社 水平輪郭補正回路
FR2867935A1 (fr) * 2004-03-17 2005-09-23 Thomson Licensing Sa Procede de rehaussement des contours dans une image
JP4031462B2 (ja) * 2004-04-23 2008-01-09 松下電器産業株式会社 輝度信号処理装置、信号処理装置および輝度信号処理方法
JP2005341021A (ja) * 2004-05-25 2005-12-08 Matsushita Electric Ind Co Ltd 輪郭強調処理装置
TWI272853B (en) 2005-09-21 2007-02-01 Quanta Comp Inc Image edge enhancement apparatus and method thereof
EP1976268A1 (en) 2005-12-28 2008-10-01 Olympus Corporation Imaging system and image processing program
JP4552881B2 (ja) * 2006-04-03 2010-09-29 日本ビクター株式会社 映像信号処理装置
KR20070099170A (ko) * 2006-04-03 2007-10-09 엘지.필립스 엘시디 주식회사 데이터 변환장치 및 변환방법과 이를 이용한 영상표시장치의 구동장치 및 구동방법
JP4701144B2 (ja) * 2006-09-26 2011-06-15 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム
KR101086424B1 (ko) * 2007-01-12 2011-11-23 삼성전자주식회사 디지털 영상 처리 장치 및 방법
KR101346084B1 (ko) * 2007-11-23 2013-12-31 엘지디스플레이 주식회사 영상의 선명도 개선회로 및 개선방법
WO2014091720A1 (ja) * 2012-12-10 2014-06-19 パナソニック株式会社 輪郭補正装置および画像処理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668606A (en) * 1992-02-28 1997-09-16 Matsushita Electric Industrial Co., Ltd. Contour restoration apparatus
WO1999005856A1 (fr) * 1997-07-25 1999-02-04 Fujitsu General Limited Circuit d'accentuation de contours

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677461A (en) * 1984-07-26 1987-06-30 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter
US4706113A (en) * 1985-02-18 1987-11-10 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter device using PAL samples of composite video signals without separation of luminance signals therefrom
JPH0754966B2 (ja) * 1985-12-09 1995-06-07 株式会社日立製作所 輪郭補正回路
JPS63292777A (ja) * 1987-05-25 1988-11-30 Mitsubishi Electric Corp 輪郭補正装置
JPH0744643B2 (ja) * 1988-09-14 1995-05-15 大日本スクリーン製造株式会社 画像の輪郭強調方法
JPH05100167A (ja) * 1991-10-08 1993-04-23 Nikon Corp 輪郭強調回路
JP3076810B2 (ja) * 1994-01-20 2000-08-14 モトローラ株式会社 垂直輪郭補正回路
US5543859A (en) * 1994-04-15 1996-08-06 Matsushita Electric Industrial Co., Ltd. Horizontal contour emphasizing signal processor
JP2738325B2 (ja) * 1995-01-24 1998-04-08 日本電気株式会社 動き補償フレーム間予測装置
JP3384182B2 (ja) * 1995-04-14 2003-03-10 松下電器産業株式会社 輪郭補正回路
JPH08317252A (ja) * 1995-05-16 1996-11-29 Ikegami Tsushinki Co Ltd 輪郭補正方法および装置
US5933529A (en) * 1996-12-24 1999-08-03 Daewoo Electronics Co., Ltd. Method of tracing a contour of an object based on background information of the object
JPH10257352A (ja) * 1997-03-15 1998-09-25 Sunao Shibata 半導体演算回路
CA2284924C (en) * 1997-03-25 2005-03-15 Fujitsu General Limited Contour emphasizing circuit
DE69838779D1 (de) * 1997-08-26 2008-01-10 Matsushita Electric Ind Co Ltd Korrekturvorrichtung für senkrechte konturen
JP2994633B2 (ja) * 1997-12-10 1999-12-27 松下電器産業株式会社 疑似輪郭ノイズ検出装置およびそれを用いた表示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668606A (en) * 1992-02-28 1997-09-16 Matsushita Electric Industrial Co., Ltd. Contour restoration apparatus
WO1999005856A1 (fr) * 1997-07-25 1999-02-04 Fujitsu General Limited Circuit d'accentuation de contours

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0133834A1 *

Also Published As

Publication number Publication date
TW516315B (en) 2003-01-01
AU772526B2 (en) 2004-04-29
JP2001128031A (ja) 2001-05-11
CA2389599A1 (en) 2001-05-10
US6980258B1 (en) 2005-12-27
JP3743235B2 (ja) 2006-02-08
HK1053562A1 (en) 2003-10-24
EP1227668A1 (en) 2002-07-31
RU2256297C2 (ru) 2005-07-10
AU7958200A (en) 2001-05-14
CN1382342A (zh) 2002-11-27
KR100473191B1 (ko) 2005-03-10
WO2001033834A1 (fr) 2001-05-10
CN1175658C (zh) 2004-11-10
KR20020047295A (ko) 2002-06-21
CA2389599C (en) 2008-04-22

Similar Documents

Publication Publication Date Title
HK1041557B (zh) 一種集成電路及其製造方法
SG89341A1 (en) Interpolation method and circuit
HK1040847B (zh) Cdma接收方法和接收電路
EP1220503A4 (en) ACQUISITION PROCESS AND CIRCUIT
EP1170915A4 (en) SIGNAL MODULATION CIRCUIT AND SIGNAL MODULATION METHOD
EP1227668A4 (en) METHOD AND CIRCUIT FOR HIGHLIGHTING CONTOURS
IL138753A0 (en) Method and arrangement for taking up apertures
GB9809790D0 (en) Amplifying circuit and method
GB9820932D0 (en) Circuit board and connection method
GB9809776D0 (en) Method
HK1018517A1 (en) Reference circuit and method
EP1011265A4 (en) CONTOUR CONCRETE SWITCHING
EP0973330A4 (en) CONTOURING CIRCUIT
EP1011264A4 (en) CONTOUR HIGHER CIRCUIT
HK1029188A1 (en) Improved method and circuit arrangement for signalprocessing
HK1041085A1 (en) Integrated i/o signaling circuit and method for configuring said circuit
GB0108369D0 (en) Modulation circuit and method
EP0998135A4 (en) CONTOUR CONCENTRATION
GB9810722D0 (en) Method
GB9802475D0 (en) Method
EP0998136A4 (en) CONTINUOUS CIRCUIT
EP1014704A4 (en) CONTOUR CONCRETE SWITCHING
GB9809782D0 (en) Method
GB9809780D0 (en) Method
GB9804355D0 (en) Method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20020524

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

Effective date: 20051018

17Q First examination report despatched

Effective date: 20080325

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CANON KABUSHIKI KAISHA

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100618